@article{ref1,
title="A statistical and epidemiological study of juvenile delinquency",
journal="Giornale di Igiene e Medicina Preventiva",
year="1967",
author="Signorini, L. F. and Pin, R. and Pellegrini, M. G.",
volume="8",
number="5",
pages="511-555",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0017-0313",
doi="",
url="http://dx.doi.org/"
}